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Data transmission method for wireless access system, base station, relay station and wireless access system

A technology of wireless access system and data transmission method, which is applied in the field of relay stations, wireless access systems and base stations, to achieve the effects of overcoming traffic bottlenecks, ensuring control and management functions, and overcoming transmission delays

Active Publication Date: 2009-07-15
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The purpose of the present invention is to propose a transmission method of a wireless access system and a base station, a relay station and a wireless access system using this method, which can effectively realize peer-to-peer communication between mobile stations and / or relay stations, and can flexibly Select the optimal transmission path to achieve load balancing, effectively overcome the problems of traffic bottleneck and transmission delay at the base station in the prior art, while still ensuring the control and management function of the base station for data flow

Method used

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  • Data transmission method for wireless access system, base station, relay station and wireless access system
  • Data transmission method for wireless access system, base station, relay station and wireless access system
  • Data transmission method for wireless access system, base station, relay station and wireless access system

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Embodiment 1

[0050] According to an embodiment of the present invention, a base station is also provided, such as Figure 9 As shown, the first embodiment of the base station of the present invention includes: a sending processing device 1, used to generate control information; a sending device 2, used to directly send the control information to the mobile station and / or relay station and send the control information to the mobile station and / or The relay station sends data; the receiving device 3 is configured to receive the data sent by the mobile station and / or the relay station according to the control information.

[0051] According to the base station provided by the embodiment of the present invention, by separating the transmission path of the control information from the transmission path of the data, the multi-hop relay transmission of the data through the RS or the MS is realized under the centralized control of the base station, Therefore, peer-to-peer communication between the...

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Abstract

The invention discloses a data transmission method in a wireless access system, which comprises that a base station directly sends control information to a mobile station and / or a relay station; the mobile station and / or the relay station transmits corresponding data to next hop according to the control information until the data is transmitted to a target station. The invention also discloses a base station, a delay station and a wireless access system which use the data transmission method in the wireless access system. The method of the invention can effectively realize peer-to-peer communication between the mobile station and / or the relay station, can flexibly select an optimal transmission path so as to achieve load balancing, and can effectively overcome the problem of traffic bottleneck and transmission delay at the base station in the prior art, and meanwhile, can still guarantee the management control function of data transmission by the base station.

Description

technical field [0001] The present invention relates to wireless access technology, in particular to a data transmission method of a wireless access system, a base station, a relay station and a wireless access system using the method. Background technique [0002] The IEEE802.16j multi-hop relay task group is a working group established by IEEE in March 2006. Its main purpose is to define the multi-hop extension of IEEE802.16 in order to further increase the throughput of the system and expand the coverage of the system. This task group enhances the IEEE802.16e standard by applying multi-hop relay technology between the base station (BS) and mobile station (MS), and defines the systems and functions of the physical layer and MAC layer that support multi-hop relay. [0003] However, peer-to-peer communication is not supported in IEEE802.16j. Peer-to-peer communication is a communication model in which each party to the communication has the same capabilities and each party ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/10H04B7/26
Inventor 沈钢金珊
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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